Memory Game 5NF7 Fractions VocabularyOnline version Match the definition with the term. by Katie Belongia The top number in a fraction. Numerator The number that when multiplied by another number, gives you one; also called the multiplicative inverse. A number written in the form of a/b. The bottom of a fraction that tells you how many pieces make a whole group. Fractions that have the same denominator. Fraction Denominator Fractions that have different denominators. Equivalent Fractions A fraction with a numerator of 1. Unit Fraction Improper Fraction Mixed Number Reciprocal A fraction where the numerator is greater than the denominator. Like Fractions Unlike Fractions Fractions with different numbers, but when simplified they have the same value. A number made up of a whole number and a fraction.